//
//  UISegmentedControl+conn.m
//  ToAskLive
//
//  Created by __ on 2021/1/29.
//

#import "UISegmentedControl+conn.h"

@implementation UISegmentedControl (Category)

- (void)segmentedIOS13Style {
    if (@available(iOS 13, *)) {
        UIColor *tintColor = [self tintColor];
        UIImage *tintColorImage = [self imageWithColor:tintColor];
        [self setBackgroundImage:[self imageWithColor:self.backgroundColor ? self.backgroundColor :[UIColor clearColor]] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        
        [self setBackgroundImage:tintColorImage forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];
        [self setBackgroundImage:[self imageWithColor:[tintColor colorWithAlphaComponent:0.2]] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
        [self setBackgroundImage:tintColorImage forState:UIControlStateSelected|UIControlStateSelected barMetrics:UIBarMetricsDefault];
        [self setTitleTextAttributes:@{NSForegroundColorAttributeName: tintColor, NSFontAttributeName: [UIFont systemFontOfSize:13]} forState:UIControlStateNormal];
        [self setDividerImage:tintColorImage forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        self.layer.borderWidth = 1;
        self.layer.borderColor = [tintColor CGColor];
        self.selectedSegmentTintColor = tintColor;
    }
}

- (UIImage *)imageWithColor: (UIColor *)color {
    
    CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
    
    UIGraphicsBeginImageContext(rect.size);
    
    CGContextRef context = UIGraphicsGetCurrentContext();
    
    CGContextSetFillColorWithColor(context, [color CGColor]);
    
    CGContextFillRect(context, rect);
    
    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();
    
    UIGraphicsEndImageContext();
    
    return theImage;
    
}

@end
